Bug 2428557 (CVE-2025-15506)

Summary: CVE-2025-15506 OpenColorIO: OpenColorIO: Local denial of service due to out-of-bounds read
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: low    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in AcademySoftwareFoundation OpenColorIO. A local attacker, by manipulating a specific function called `ConvertToRegularExpression`, can cause the software to read beyond its allocated memory boundaries. This issue, known as an out-of-bounds read, could lead to the application becoming unresponsive or crashing, resulting in a denial of service.
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Bug Depends On: 2428655, 2428656, 2428657, 2428658    
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Description OSIDB Bzimport 2026-01-11 12:01:17 UTC 
A vulnerability was found in AcademySoftwareFoundation OpenColorIO up to 2.5.0. This issue affects the function ConvertToRegularExpression of the file src/OpenColorIO/FileRules.cpp. Performing a manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploit has been made public and could be used. The patch is named ebdbb75123c9d5f4643e041314e2bc988a13f20d. To fix this issue, it is recommended to deploy a patch. The fix was added to the 2.5.1 milestone.